Measurement
What is the perimeter of a pool of 6m length and 4m width?
6 + 6 + 4 + 4 = 12 + 8 = 20m
8 x 3
24
If Sam has 50 pieces of candy and wants to share it between himself and his 4 cousins, how many pieces does each person get?
10 pieces
What is the area of a square with a side length of 8cm?
8 x 8 = 64cm2
4 x 9
36
You go to a store and buy 6 items for $48. If all the items were the same price, how much was each item?
48 / 6 = $8
What is the area of a triangle with base length 7cm and 4cm height?
1/2 (4 x 7) = 1/2 (28) = 14cm2
11 x 7
77
You are working at a movie theatre. Your first customer has a $50 gift card and would like to buy three $15 tickets and three large popcorns that are $7 each. How much difference does the customer need to pay?
Total bill = 3(15) + 3(7) = 45 + 21 = $67. The gift card covers $50, so the customer needs to pay a difference of $17.
What is the volume of a rectangular prism of 2m height, 5m length, and 4m width?
2 x 5 x 4 = 10 x 4 = 40m3
9 x 12
108
Milly scored 100 points at the whack-a-mole arcade game. She plays again and scores 60 points. Her sister plays two rounds as well and scores 40 points per game. How much less does her sister score? What is this answer as a percentage of Milly's score?
Milly scores 160 points in total. Her sister scores 80 points in total. Her sister therefore scores 80 points less - meaning she scores half as many as Milly. Milly's sister scores 50% worth of Milly's points.
What is the volume of a triangular prism of 5cm height, 12cm length, and 8cm width?
1/2 (5 x 8 x 12) = 1/2 (40 x 12) = 1/2 (480) = 240cm3
10 x 80
800
You would like to buy 6 pens worth $2 each, 4 notebooks that are $3 each, and 3 erasers each worth $0.80. How much is the total bill? What change will you be given if you pay with $30?
Total bill = 6(2) + 4(3) + 3(0.80) = 12 + 12 + 2.40 = $26.40. Change given -> (30 - 20) - 6 - 40c = 10 - 6 - 40c = 4 - 40c = $3.60 change.